Known as Isatis root in the Western world, Ban Lan Gen, is a popular and widely used herb in traditional chinese medicine. Clinical studies and research reveal that this herb has the ability to reduce fever from either a viral or bacterial origin, making it a very useful remedy in the armentarium for flighting colds and flu! Besides having both antibacterial and antiviral properties, it can also help to improve immune function. It can be particularly effective for sore throat. It is most frequently, conveniently and commonly administered as a tea. This effective and remarkable herbal remedy can be purchased at the Florida Institute of Acupuncture as granular tea packets and most patients find the taste both tolerable and pleasant.